3v4l.org

run code in 300+ PHP versions simultaneously
<?php class par { protected static $a = "AA"; function echoA() { echo self::$a; } } class enf extends par { __construct() { self::$a . ' BB'; parent::$a . ' CC'; } } class arenf extends par { function echoA() { echo self::$a; } } $enf = new enf(); $arenf = new arenf(); $arenf->echoA();

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.170.0350.09012.39
5.4.160.0290.06312.38
5.4.150.0210.07112.38
5.4.140.0270.06412.07
5.4.130.0160.05812.05
5.4.120.0160.05512.01
5.4.110.0240.06512.01
5.4.100.0200.07012.01
5.4.90.0260.06212.01
5.4.80.0290.05912.01
5.4.70.0170.03912.01
5.4.60.0180.05412.01
5.4.50.0140.04212.01
5.4.40.0150.04312.00
5.4.30.0180.04211.99
5.4.20.0180.04311.99
5.4.10.0160.04111.99
5.4.00.0180.05611.48
5.3.270.0190.05812.72
5.3.260.0210.04312.72
5.3.250.0320.06212.72
5.3.240.0180.04512.72
5.3.230.0230.05812.71
5.3.220.0190.04312.68
5.3.210.0300.06412.68
5.3.200.0340.07612.68
5.3.190.0210.04312.68
5.3.180.0260.06712.67
5.3.170.0250.07112.67
5.3.160.0270.06412.67
5.3.150.0290.07812.67
5.3.140.0190.04412.66
5.3.130.0230.06812.66
5.3.120.0250.06812.66
5.3.110.0350.09112.66
5.3.100.0260.06912.12
5.3.90.0350.05812.09
5.3.80.0200.04312.09
5.3.70.0230.06912.08
5.3.60.0230.05412.06
5.3.50.0320.07612.01
5.3.40.0230.07312.01
5.3.30.0230.06711.98
5.3.20.0140.04711.76
5.3.10.0180.04211.72
5.3.00.0150.04111.70

preferences:
139.07 ms | 1394 KiB | 7 Q